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Epi (version 1.0.7)

A package for statistical analysis in epidemiology.

Description

Functions for demographic and epidemiological analysis in the Lexis diagram, i.e. register and cohort follow-up data, including interval censored data and representation of multistate data. Also some useful functions for tabulation and plotting. Contains some epidemiological datasets.

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Version

Install

install.packages('Epi')

Monthly Downloads

13,905

Version

1.0.7

License

GPL (>= 2)

Maintainer

Bendix Carstensen

Last Published

October 7th, 2025

Functions in Epi (1.0.7)

Function to compute and draw ROC-curves.

Function to calculate effects for individually matched case-control studies

Conversion to diabetes

Cut follow-up at a specified date for each person.

Generate a nested case-control study

Compute dates/ages for life lines in a Lexis diagram

Salmonella Typhimurium outbreak 1996 in Denmark.

Fit a piecewise contsnt intesity model for interval censored data.

A case-control study of endometrial cancer

Draw life lines in a Lexis diagram.

Plot a Lexis diagram

Bereavement in an elderly cohort

Fits a multiplicative relative risk model to interval censored data.

Fits a regression model to interval censored data.

Rates of lung and nasal cancer mortality, and total mortality.

A 1:1 subset of the endometrial cancer case-control study

Contrast matrices

Functions to convert character, factor and various date objects into a number, and vice versa.

Compute linear functions of parameters with s.e.

Projection of a model matrix on to the orthogonal complement of a trend.

Compute cumulative sum of estimates.

Compute confidence limits for a difference of two independent proportions.

Produce an empty frame for display of parameter-estimates from Age-Period-Cohort-models.

Fit an Age-Period-Cohort model to tabular data.

Create a Lexis object

Births in a London Hospital

Merge a Lexis object with a data frame

Fit an addive excess risk model to interval censored data.

Population mortality rates for Denmark in 5-years age groups.

Diet and heart data

Male lung cancer incidence in Denmark

hivDK: seroconversion in a cohort of Danish men

Tabulate transitions and risk time from a Lexis object

Thorotrast Study

Subsetting Lexis objects

Graphical display of a 2-way contingency table

Nice breakpoints

Plot Equivalence Classes

Projection of columns of a matrix.

merge.data.frame

Merge data frame with a Lexis object

Tables of summary statistics

Extract time band data from a split Lexis object

Function to group a variable in intervals.

Analysis of a two by two table

The time scales of a Lexis object

Fit a floating trend to a factor in generalized linear model

Functions to plot rates from a table classified by age and calendar time (period)

Special functions for use in stat.table

Calculate floated variances

Reorder and combine levels of a factor

An unmatched case-control study of leprosy incidence

A Cohort of Nickel Smelters in South Wales

Split follow-up time in a Lexis object

Population mortality rates for Denmark in 1-year age-classes.

Time series methods for Lexis objects

Plot estimates with confidence limits

Mantel-Haenszel analyses of cohort and case-control studies

Function to calculate effects

Split follow-up time in cohort studies.

Plot APC-estimates in an APC-frame.

Plot the estimates from a fitted Age-Period-Cohort model

Bladder cancer mortality in Italian males

Function to expand data for regression analysis of interval censored data.

transform.Lexis

Transform a Lexis objects

Create percentages in a table